Numerator/denominator bias and inequalities in occupational mortality
Author(s) -
Gail Williams
Publication year - 2006
Publication title -
bulletin of the world health organization
Language(s) - English
Resource type - Journals
eISSN - 1564-0604
pISSN - 0042-9686
DOI - 10.2471/blt.05.028894
Subject(s) - census , inequality , imputation (statistics) , statistics , equity (law) , mortality rate , missing data , demography , social class , econometrics , medicine , mathematics , population , economics , sociology , political science , mathematical analysis , law , market economy
Comparisons of the changing patterns of inequalities in occupational mortality provide one way to monitor the achievement of equity goals. However, previous comparisons have not corrected for numerator/denominator bias, which is a consequence of the different ways in which occupational details are recorded on death certificates and on census forms. The objective of this study was to measure the impact of this bias on mortality rates and ratios over time.
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